22212012122222 has 64 divisors (see below), whose sum is σ = 38064943816704. Its totient is φ = 9630042048000.

The previous prime is 22212012122207. The next prime is 22212012122233. The reversal of 22212012122222 is 22222121021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579883523 + ... + 579921825.

It is an arithmetic number, because the mean of its divisors is an integer number (594764747136).

Almost surely, 2^{22212012122222} is an apocalyptic number.

22212012122222 is a deficient number, since it is larger than the sum of its proper divisors (15852931694482).

22212012122222 is a wasteful number, since it uses less digits than its factorization.

22212012122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40833.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22212012122222 its reverse (22222121021222), we get a palindrome (44434133143444).

The spelling of 22212012122222 in words is "twenty-two trillion, two hundred twelve billion, twelve million, one hundred twenty-two thousand, two hundred twenty-two".